Tire tread



FIG. 1 is a perspective view of a tire tread;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a detail view of a portion of the tire tread shown in FIG. 2; and,

FIG. 4 is a side view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 